Hickok, W. O. 1., & Moyer, F. T. (1940). Geology and mineral resources of Fayette County, Pennsylvania. Harrisburg, Pa.: Dept. of Internal Affairs, Topographic and Geologic Survey.
Chicago Style CitationHickok, W. O. 1905-, and Forrest Theodore Moyer. Geology and Mineral Resources of Fayette County, Pennsylvania. Harrisburg, Pa.: Dept. of Internal Affairs, Topographic and Geologic Survey, 1940.
MLA CitationHickok, W. O. 1905-, and Forrest Theodore Moyer. Geology and Mineral Resources of Fayette County, Pennsylvania. Harrisburg, Pa.: Dept. of Internal Affairs, Topographic and Geologic Survey, 1940.